Free data · COST

Costco Wholesale Corp (COST) free float and shares outstanding

As of 2026-09-29, Datawiser estimates Costco Wholesale Corp (COST) free float at 99.901%, using 443,129,349 shares outstanding and 438,705.869 excluded shares. The latest company-reported outstanding-share observation in this published snapshot is 443,129,349 shares as of 2026-09-29, sourced from a 10-K filing.

Page data updated .

Free float
99.901%
Free-float factor
0.99901
Estimate date

Free-float snapshot

Free float99.901%
Free-float factor0.99901
As of
Shares outstanding used443,129,349
Excluded shares438,705.869

Latest company-reported shares outstanding

Shares outstanding443,129,349
As of
Observation typelatest_practicable_outstanding
Filing type10-K
Security typeCommon Stock

The reported share count and Datawiser free-float estimate retain separate dates because they are independently selected observations.

Security identifiers

SecurityCostco Wholesale Ord Shs
TickerCOST
Exchange MICXNGS
CurrencyUSD
FIGIBBG000F6HLL1

How to cite this page

Datawiser, “Costco Wholesale Corp (COST) free-float data,” free-float estimate as of 2026-09-29, https://datawiser.ai/free-data/cost.

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